Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DAVID KEITH JOHNSTON M.D.
NPI 1093731846
Internal Medicine - Gastroenterology in Lexington, KY

Q: What is David Johnston's NPI number?

The NPI number for David Johnston is 1093731846. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Q: What is David Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for David Johnston was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 14, 2006

1221 S BROADWAY, LEXINGTON, KY 40504(859) 258-4950(859) 258-4618 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About David Keith Johnston M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID KEITH JOHNSTON M.D. (NPI 1093731846) is an individual gastroenterology provider in Lexington, Kentucky, licensed in Kentucky (37917) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1093731846

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDAVID KEITH JOHNSTONCredential: M.D.

Location Address1221 S BROADWAYLexington, KY 40504-2701

Mailing Address1221 S BroadwayLexington, KY 40504-2701 · (859) 258-4950 · Fax (859) 258-4618

Phone(859) 258-4950

Fax(859) 258-4618

Sole ProprietorNo

Enumeration DateJuly 14, 2006

Last NPPES UpdateJuly 12, 2026

✔ NPI 1093731846 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in KY · 37917

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1221 S BROADWAY, Lexington, KY 40504

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Other Identifiers 6

OtherASC 1019KY · Asc Medicare Group#

OtherCNO474KY · Rr Medicare Group#

Other3600818KY · Asc Medicaid Group#

Other37903705KY · Medicaid Lab Group#

Other4000501KY · Medicare Lab Group#

Medicaid64069990KY

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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